| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the time [prep] | 2960 |
|
| 2 | [vb pp] at the time | 657 |
|
| 3 | [vb pp] the time [prep] | 38 |
|
| 4 | [vb pp] at time [prep] | 33 |
|
